Implement device management backend.

chrome/browser/policy/device_management_backend_impl.h

+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_POLICY_DEVICE_MANAGEMENT_BACKEND_IMPL_H_
+#define CHROME_BROWSER_POLICY_DEVICE_MANAGEMENT_BACKEND_IMPL_H_
+#pragma once
+
+#include <map>
+#include <string>
+
+#include "chrome/browser/policy/device_management_backend.h"
+#include "chrome/common/net/url_fetcher.h"
+#include "googleurl/src/gurl.h"
+
+class URLRequestContextGetter;
+
+namespace policy {
+
+class ResponseHandler;
+class URLQueryParameters;
+
+// Device management backend implementation. This implementation makes HTTP
+// requests to the policy server through the net layer.
+class DeviceManagementBackendImpl : public DeviceManagementBackend,
+                                    public URLFetcher::Delegate {
+ public:
+  explicit DeviceManagementBackendImpl(const std::string& server_url);
+  virtual ~DeviceManagementBackendImpl();
+
+  // GoogleAppsPolicyService overrides:
+  virtual void ProcessRegisterRequest(
+      const std::string& auth_token,
+      const std::string& device_id,
+      const em::DeviceRegisterRequest& request,
+      DeviceRegisterResponseDelegate* response_delegate);
+  virtual void ProcessUnregisterRequest(
+      const std::string& device_management_token,
+      const em::DeviceUnregisterRequest& request,
+      DeviceUnregisterResponseDelegate* response_delegate);
+  virtual void ProcessPolicyRequest(
+      const std::string& device_management_token,
+      const em::DevicePolicyRequest& request,
+      DevicePolicyResponseDelegate* response_delegate);
+
+  // Get the agent string (used for HTTP user agent and as agent passed to the
+  // server).
+  static std::string GetAgentString();
+
+ private:
+  typedef std::map<const URLFetcher*, ResponseHandler*> ResponseHandlerMap;
+
+  // URLFetcher::Delegate override.
+  virtual void OnURLFetchComplete(const URLFetcher* source,
+                                  const GURL& url,
+                                  const URLRequestStatus& status,
+                                  int response_code,
+                                  const ResponseCookies& cookies,
+                                  const std::string& data);
+
+  // Create a URLFetcher for a given request message and response handler.
+  void CreateFetcher(const em::DeviceManagementRequest& request,
+                     ResponseHandler* handler,
+                     const std::string& query_params,
+                     const std::string& extra_headers);
+
+  // Fill in the common query parameters.
+  void PutCommonQueryParameters(URLQueryParameters* params);
+
+  // Server at which to contact the service.
+  const std::string server_url_;
+
+  // The request context we use.
+  scoped_refptr<URLRequestContextGetter> request_context_getter_;
+
+  // Keeps track of all in-flight requests an their response handlers.
+  ResponseHandlerMap response_handlers_;
+
+  DISALLOW_COPY_AND_ASSIGN(DeviceManagementBackendImpl);
+};
+
+}  // namespace policy
+
+#endif  // CHROME_BROWSER_POLICY_DEVICE_MANAGEMENT_BACKEND_IMPL_H_